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Commit | Line | Data |
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aba5acdf SH |
1 | /* |
2 | * iplink.c "ip link". | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
16 | #include <syslog.h> | |
17 | #include <fcntl.h> | |
1d934839 | 18 | #include <dlfcn.h> |
aba5acdf SH |
19 | #include <errno.h> |
20 | #include <sys/socket.h> | |
21 | #include <linux/if.h> | |
22 | #include <linux/if_packet.h> | |
23 | #include <linux/if_ether.h> | |
24 | #include <linux/sockios.h> | |
25 | #include <netinet/in.h> | |
26 | #include <arpa/inet.h> | |
27 | #include <string.h> | |
28 | #include <sys/ioctl.h> | |
29 | #include <linux/sockios.h> | |
fbea6115 | 30 | #include <stdbool.h> |
837552b4 | 31 | #include <linux/mpls.h> |
aba5acdf SH |
32 | |
33 | #include "rt_names.h" | |
34 | #include "utils.h" | |
35 | #include "ip_common.h" | |
c7272ca7 | 36 | #include "xdp.h" |
c3087c10 | 37 | #include "namespace.h" |
aba5acdf | 38 | |
1d934839 | 39 | #define IPLINK_IOCTL_COMPAT 1 |
5e3bb534 | 40 | #ifndef LIBDIR |
5c434a9e | 41 | #define LIBDIR "/usr/lib" |
b514b358 | 42 | #endif |
aba5acdf SH |
43 | |
44 | static void usage(void) __attribute__((noreturn)); | |
750a405a | 45 | static int iplink_have_newlink(void); |
aba5acdf SH |
46 | |
47 | void iplink_usage(void) | |
48 | { | |
750a405a | 49 | if (iplink_have_newlink()) { |
6773bcc2 SH |
50 | fprintf(stderr, |
51 | "Usage: ip link add [link DEV] [ name ] NAME\n" | |
52 | " [ txqueuelen PACKETS ]\n" | |
53 | " [ address LLADDR ]\n" | |
54 | " [ broadcast LLADDR ]\n" | |
55 | " [ mtu MTU ] [index IDX ]\n" | |
56 | " [ numtxqueues QUEUE_COUNT ]\n" | |
57 | " [ numrxqueues QUEUE_COUNT ]\n" | |
58 | " type TYPE [ ARGS ]\n" | |
c7272ca7 | 59 | "\n" |
6773bcc2 SH |
60 | " ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]\n" |
61 | "\n" | |
62 | " ip link set { DEVICE | dev DEVICE | group DEVGROUP }\n" | |
63 | " [ { up | down } ]\n" | |
64 | " [ type TYPE ARGS ]\n"); | |
750a405a | 65 | } else |
bb6ab47b SH |
66 | fprintf(stderr, |
67 | "Usage: ip link set DEVICE [ { up | down } ]\n"); | |
750a405a | 68 | |
6773bcc2 SH |
69 | fprintf(stderr, |
70 | " [ arp { on | off } ]\n" | |
71 | " [ dynamic { on | off } ]\n" | |
72 | " [ multicast { on | off } ]\n" | |
73 | " [ allmulticast { on | off } ]\n" | |
74 | " [ promisc { on | off } ]\n" | |
75 | " [ trailers { on | off } ]\n" | |
432b92a7 | 76 | " [ carrier { on | off } ]\n" |
6773bcc2 SH |
77 | " [ txqueuelen PACKETS ]\n" |
78 | " [ name NEWNAME ]\n" | |
79 | " [ address LLADDR ]\n" | |
80 | " [ broadcast LLADDR ]\n" | |
81 | " [ mtu MTU ]\n" | |
82 | " [ netns { PID | NAME } ]\n" | |
83 | " [ link-netnsid ID ]\n" | |
84 | " [ alias NAME ]\n" | |
85 | " [ vf NUM [ mac LLADDR ]\n" | |
86 | " [ vlan VLANID [ qos VLAN-QOS ] [ proto VLAN-PROTO ] ]\n" | |
6773bcc2 SH |
87 | " [ rate TXRATE ]\n" |
88 | " [ max_tx_rate TXRATE ]\n" | |
89 | " [ min_tx_rate TXRATE ]\n" | |
6773bcc2 SH |
90 | " [ spoofchk { on | off} ]\n" |
91 | " [ query_rss { on | off} ]\n" | |
92 | " [ state { auto | enable | disable} ] ]\n" | |
93 | " [ trust { on | off} ] ]\n" | |
5a3ec4ba EC |
94 | " [ node_guid { eui64 } ]\n" |
95 | " [ port_guid { eui64 } ]\n" | |
c7272ca7 DB |
96 | " [ xdp { off |\n" |
97 | " object FILE [ section NAME ] [ verbose ] |\n" | |
98 | " pinned FILE } ]\n" | |
6773bcc2 SH |
99 | " [ master DEVICE ][ vrf NAME ]\n" |
100 | " [ nomaster ]\n" | |
101 | " [ addrgenmode { eui64 | none | stable_secret | random } ]\n" | |
102 | " [ protodown { on | off } ]\n" | |
c7272ca7 | 103 | "\n" |
6773bcc2 | 104 | " ip link show [ DEVICE | group GROUP ] [up] [master DEV] [vrf NAME] [type TYPE]\n"); |
750a405a | 105 | |
94f1a22a | 106 | fprintf(stderr, "\n ip link xstats type TYPE [ ARGS ]\n"); |
837552b4 | 107 | fprintf(stderr, "\n ip link afstats [ dev DEVICE ]\n"); |
94f1a22a | 108 | |
750a405a | 109 | if (iplink_have_newlink()) { |
6773bcc2 | 110 | fprintf(stderr, |
c7272ca7 DB |
111 | "\n" |
112 | " ip link help [ TYPE ]\n" | |
113 | "\n" | |
6773bcc2 | 114 | "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n" |
6bd1ea28 ZS |
115 | " bridge | bond | team | ipoib | ip6tnl | ipip | sit | vxlan |\n" |
116 | " gre | gretap | ip6gre | ip6gretap | vti | nlmon | team_slave |\n" | |
6773bcc2 | 117 | " bond_slave | ipvlan | geneve | bridge_slave | vrf | macsec }\n"); |
750a405a | 118 | } |
aba5acdf SH |
119 | exit(-1); |
120 | } | |
121 | ||
122 | static void usage(void) | |
123 | { | |
124 | iplink_usage(); | |
125 | } | |
126 | ||
14645ec2 | 127 | static int on_off(const char *msg, const char *realval) |
aba5acdf | 128 | { |
6c5ffb9a SH |
129 | fprintf(stderr, |
130 | "Error: argument of \"%s\" must be \"on\" or \"off\", not \"%s\"\n", | |
131 | msg, realval); | |
aba5acdf SH |
132 | return -1; |
133 | } | |
134 | ||
1d934839 PM |
135 | static void *BODY; /* cached dlopen(NULL) handle */ |
136 | static struct link_util *linkutil_list; | |
137 | ||
22a84711 | 138 | struct link_util *get_link_kind(const char *id) |
1d934839 PM |
139 | { |
140 | void *dlh; | |
141 | char buf[256]; | |
142 | struct link_util *l; | |
143 | ||
144 | for (l = linkutil_list; l; l = l->next) | |
22a84711 | 145 | if (strcmp(l->id, id) == 0) |
1d934839 PM |
146 | return l; |
147 | ||
5e3bb534 | 148 | snprintf(buf, sizeof(buf), LIBDIR "/ip/link_%s.so", id); |
1d934839 PM |
149 | dlh = dlopen(buf, RTLD_LAZY); |
150 | if (dlh == NULL) { | |
151 | /* look in current binary, only open once */ | |
152 | dlh = BODY; | |
153 | if (dlh == NULL) { | |
154 | dlh = BODY = dlopen(NULL, RTLD_LAZY); | |
155 | if (dlh == NULL) | |
156 | return NULL; | |
157 | } | |
158 | } | |
159 | ||
22a84711 | 160 | snprintf(buf, sizeof(buf), "%s_link_util", id); |
1d934839 PM |
161 | l = dlsym(dlh, buf); |
162 | if (l == NULL) | |
163 | return NULL; | |
164 | ||
165 | l->next = linkutil_list; | |
166 | linkutil_list = l; | |
167 | return l; | |
168 | } | |
169 | ||
d1f28cf1 | 170 | static int get_link_mode(const char *mode) |
82499282 | 171 | { |
4ccfb44d | 172 | if (strcasecmp(mode, "default") == 0) |
82499282 | 173 | return IF_LINK_MODE_DEFAULT; |
4ccfb44d | 174 | if (strcasecmp(mode, "dormant") == 0) |
82499282 SH |
175 | return IF_LINK_MODE_DORMANT; |
176 | return -1; | |
177 | } | |
178 | ||
ff7c2084 JP |
179 | static int get_addr_gen_mode(const char *mode) |
180 | { | |
181 | if (strcasecmp(mode, "eui64") == 0) | |
182 | return IN6_ADDR_GEN_MODE_EUI64; | |
183 | if (strcasecmp(mode, "none") == 0) | |
184 | return IN6_ADDR_GEN_MODE_NONE; | |
8e098dd8 BM |
185 | if (strcasecmp(mode, "stable_secret") == 0) |
186 | return IN6_ADDR_GEN_MODE_STABLE_PRIVACY; | |
8e12bc0a BM |
187 | if (strcasecmp(mode, "random") == 0) |
188 | return IN6_ADDR_GEN_MODE_RANDOM; | |
ff7c2084 JP |
189 | return -1; |
190 | } | |
191 | ||
1d934839 PM |
192 | #if IPLINK_IOCTL_COMPAT |
193 | static int have_rtnl_newlink = -1; | |
194 | ||
195 | static int accept_msg(const struct sockaddr_nl *who, | |
0628cddd | 196 | struct rtnl_ctrl_data *ctrl, |
1d934839 PM |
197 | struct nlmsghdr *n, void *arg) |
198 | { | |
199 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(n); | |
200 | ||
66e529f5 PM |
201 | if (n->nlmsg_type == NLMSG_ERROR && |
202 | (err->error == -EOPNOTSUPP || err->error == -EINVAL)) | |
1d934839 PM |
203 | have_rtnl_newlink = 0; |
204 | else | |
205 | have_rtnl_newlink = 1; | |
206 | return -1; | |
207 | } | |
208 | ||
209 | static int iplink_have_newlink(void) | |
210 | { | |
211 | struct { | |
212 | struct nlmsghdr n; | |
213 | struct ifinfomsg i; | |
214 | char buf[1024]; | |
d17b136f PS |
215 | } req = { |
216 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
217 | .n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK, | |
218 | .n.nlmsg_type = RTM_NEWLINK, | |
219 | .i.ifi_family = AF_UNSPEC, | |
220 | }; | |
1d934839 PM |
221 | |
222 | if (have_rtnl_newlink < 0) { | |
d2468da0 SH |
223 | if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) { |
224 | perror("request send failed"); | |
225 | exit(1); | |
226 | } | |
1d934839 PM |
227 | rtnl_listen(&rth, accept_msg, NULL); |
228 | } | |
229 | return have_rtnl_newlink; | |
230 | } | |
231 | #else /* IPLINK_IOCTL_COMPAT */ | |
232 | static int iplink_have_newlink(void) | |
233 | { | |
234 | return 1; | |
235 | } | |
236 | #endif /* ! IPLINK_IOCTL_COMPAT */ | |
237 | ||
8fe58d58 PS |
238 | static int nl_get_ll_addr_len(unsigned int dev_index) |
239 | { | |
240 | int len; | |
241 | struct iplink_req req = { | |
242 | .n = { | |
243 | .nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
244 | .nlmsg_type = RTM_GETLINK, | |
245 | .nlmsg_flags = NLM_F_REQUEST | |
246 | }, | |
247 | .i = { | |
248 | .ifi_family = preferred_family, | |
249 | .ifi_index = dev_index, | |
250 | } | |
251 | }; | |
252 | struct rtattr *tb[IFLA_MAX+1]; | |
253 | ||
254 | if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0) | |
255 | return -1; | |
256 | ||
257 | len = req.n.nlmsg_len - NLMSG_LENGTH(sizeof(req.i)); | |
258 | if (len < 0) | |
259 | return -1; | |
260 | ||
261 | parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(&req.i), len, NLA_F_NESTED); | |
262 | if (!tb[IFLA_ADDRESS]) | |
263 | return -1; | |
264 | ||
265 | return RTA_PAYLOAD(tb[IFLA_ADDRESS]); | |
266 | } | |
267 | ||
56e9f0ab MS |
268 | static void iplink_parse_vf_vlan_info(int vf, int *argcp, char ***argvp, |
269 | struct ifla_vf_vlan_info *ivvip) | |
270 | { | |
271 | int argc = *argcp; | |
272 | char **argv = *argvp; | |
273 | ||
274 | NEXT_ARG(); | |
275 | if (get_unsigned(&ivvip->vlan, *argv, 0)) | |
276 | invarg("Invalid \"vlan\" value\n", *argv); | |
277 | ||
278 | ivvip->vf = vf; | |
279 | ivvip->qos = 0; | |
280 | ivvip->vlan_proto = htons(ETH_P_8021Q); | |
281 | if (NEXT_ARG_OK()) { | |
282 | NEXT_ARG(); | |
283 | if (matches(*argv, "qos") == 0) { | |
284 | NEXT_ARG(); | |
285 | if (get_unsigned(&ivvip->qos, *argv, 0)) | |
286 | invarg("Invalid \"qos\" value\n", *argv); | |
287 | } else { | |
288 | /* rewind arg */ | |
289 | PREV_ARG(); | |
290 | } | |
291 | } | |
292 | if (NEXT_ARG_OK()) { | |
293 | NEXT_ARG(); | |
294 | if (matches(*argv, "proto") == 0) { | |
295 | NEXT_ARG(); | |
296 | if (ll_proto_a2n(&ivvip->vlan_proto, *argv)) | |
297 | invarg("protocol is invalid\n", *argv); | |
298 | if (ivvip->vlan_proto != htons(ETH_P_8021AD) && | |
299 | ivvip->vlan_proto != htons(ETH_P_8021Q)) { | |
300 | SPRINT_BUF(b1); | |
301 | SPRINT_BUF(b2); | |
302 | char msg[64 + sizeof(b1) + sizeof(b2)]; | |
303 | ||
bb6ab47b SH |
304 | sprintf(msg, |
305 | "Invalid \"vlan protocol\" value - supported %s, %s\n", | |
56e9f0ab MS |
306 | ll_proto_n2a(htons(ETH_P_8021Q), |
307 | b1, sizeof(b1)), | |
308 | ll_proto_n2a(htons(ETH_P_8021AD), | |
309 | b2, sizeof(b2))); | |
310 | invarg(msg, *argv); | |
311 | } | |
312 | } else { | |
313 | /* rewind arg */ | |
314 | PREV_ARG(); | |
315 | } | |
316 | } | |
317 | ||
318 | *argcp = argc; | |
319 | *argvp = argv; | |
320 | } | |
321 | ||
d1f28cf1 | 322 | static int iplink_parse_vf(int vf, int *argcp, char ***argvp, |
f89a2a05 | 323 | struct iplink_req *req, int dev_index) |
3fd86630 | 324 | { |
f89a2a05 SC |
325 | char new_rate_api = 0, count = 0, override_legacy_rate = 0; |
326 | struct ifla_vf_rate tivt; | |
3fd86630 CW |
327 | int len, argc = *argcp; |
328 | char **argv = *argvp; | |
329 | struct rtattr *vfinfo; | |
1598b9ef | 330 | |
f89a2a05 SC |
331 | tivt.min_tx_rate = -1; |
332 | tivt.max_tx_rate = -1; | |
333 | ||
1598b9ef | 334 | vfinfo = addattr_nest(&req->n, sizeof(*req), IFLA_VF_INFO); |
3fd86630 | 335 | |
f89a2a05 SC |
336 | while (NEXT_ARG_OK()) { |
337 | NEXT_ARG(); | |
338 | count++; | |
339 | if (!matches(*argv, "max_tx_rate")) { | |
340 | /* new API in use */ | |
341 | new_rate_api = 1; | |
342 | /* override legacy rate */ | |
343 | override_legacy_rate = 1; | |
344 | } else if (!matches(*argv, "min_tx_rate")) { | |
345 | /* new API in use */ | |
346 | new_rate_api = 1; | |
347 | } | |
348 | } | |
349 | ||
350 | while (count--) { | |
351 | /* rewind arg */ | |
352 | PREV_ARG(); | |
353 | } | |
354 | ||
3fd86630 CW |
355 | while (NEXT_ARG_OK()) { |
356 | NEXT_ARG(); | |
1598b9ef | 357 | if (matches(*argv, "mac") == 0) { |
a89193a7 | 358 | struct ifla_vf_mac ivm = { 0 }; |
8fe58d58 | 359 | int halen = nl_get_ll_addr_len(dev_index); |
6c5ffb9a | 360 | |
3fd86630 | 361 | NEXT_ARG(); |
1598b9ef SH |
362 | ivm.vf = vf; |
363 | len = ll_addr_a2n((char *)ivm.mac, 32, *argv); | |
364 | if (len < 0) | |
365 | return -1; | |
8fe58d58 PS |
366 | if (halen > 0 && len != halen) { |
367 | fprintf(stderr, | |
368 | "Invalid address length %d - must be %d bytes\n", | |
369 | len, halen); | |
370 | return -1; | |
371 | } | |
ef0a738c SH |
372 | addattr_l(&req->n, sizeof(*req), IFLA_VF_MAC, |
373 | &ivm, sizeof(ivm)); | |
3fd86630 | 374 | } else if (matches(*argv, "vlan") == 0) { |
56e9f0ab | 375 | struct ifla_vf_vlan_info ivvi; |
6c5ffb9a | 376 | |
56e9f0ab MS |
377 | iplink_parse_vf_vlan_info(vf, &argc, &argv, &ivvi); |
378 | /* support the old interface in case of older kernel*/ | |
379 | if (ivvi.vlan_proto == htons(ETH_P_8021Q)) { | |
380 | struct ifla_vf_vlan ivv; | |
381 | ||
382 | ivv.vf = ivvi.vf; | |
383 | ivv.vlan = ivvi.vlan; | |
384 | ivv.qos = ivvi.qos; | |
385 | addattr_l(&req->n, sizeof(*req), | |
386 | IFLA_VF_VLAN, &ivv, sizeof(ivv)); | |
387 | } else { | |
388 | struct rtattr *vfvlanlist; | |
389 | ||
390 | vfvlanlist = addattr_nest(&req->n, sizeof(*req), | |
391 | IFLA_VF_VLAN_LIST); | |
392 | addattr_l(&req->n, sizeof(*req), | |
393 | IFLA_VF_VLAN_INFO, &ivvi, | |
394 | sizeof(ivvi)); | |
395 | ||
396 | while (NEXT_ARG_OK()) { | |
3fd86630 | 397 | NEXT_ARG(); |
56e9f0ab MS |
398 | if (matches(*argv, "vlan") != 0) { |
399 | PREV_ARG(); | |
400 | break; | |
401 | } | |
402 | iplink_parse_vf_vlan_info(vf, &argc, | |
403 | &argv, &ivvi); | |
404 | addattr_l(&req->n, sizeof(*req), | |
405 | IFLA_VF_VLAN_INFO, &ivvi, | |
406 | sizeof(ivvi)); | |
3fd86630 | 407 | } |
56e9f0ab | 408 | addattr_nest_end(&req->n, vfvlanlist); |
3fd86630 | 409 | } |
3fd86630 | 410 | } else if (matches(*argv, "rate") == 0) { |
1598b9ef | 411 | struct ifla_vf_tx_rate ivt; |
6c5ffb9a | 412 | |
3fd86630 | 413 | NEXT_ARG(); |
6c5ffb9a | 414 | if (get_unsigned(&ivt.rate, *argv, 0)) |
1598b9ef | 415 | invarg("Invalid \"rate\" value\n", *argv); |
6c5ffb9a | 416 | |
1598b9ef | 417 | ivt.vf = vf; |
f89a2a05 SC |
418 | if (!new_rate_api) |
419 | addattr_l(&req->n, sizeof(*req), | |
420 | IFLA_VF_TX_RATE, &ivt, sizeof(ivt)); | |
421 | else if (!override_legacy_rate) | |
422 | tivt.max_tx_rate = ivt.rate; | |
423 | ||
424 | } else if (matches(*argv, "max_tx_rate") == 0) { | |
425 | NEXT_ARG(); | |
426 | if (get_unsigned(&tivt.max_tx_rate, *argv, 0)) | |
427 | invarg("Invalid \"max tx rate\" value\n", | |
428 | *argv); | |
429 | tivt.vf = vf; | |
430 | ||
431 | } else if (matches(*argv, "min_tx_rate") == 0) { | |
432 | NEXT_ARG(); | |
433 | if (get_unsigned(&tivt.min_tx_rate, *argv, 0)) | |
434 | invarg("Invalid \"min tx rate\" value\n", | |
435 | *argv); | |
436 | tivt.vf = vf; | |
af89576d | 437 | |
7b8179c7 GR |
438 | } else if (matches(*argv, "spoofchk") == 0) { |
439 | struct ifla_vf_spoofchk ivs; | |
6c5ffb9a | 440 | |
7b8179c7 GR |
441 | NEXT_ARG(); |
442 | if (matches(*argv, "on") == 0) | |
443 | ivs.setting = 1; | |
444 | else if (matches(*argv, "off") == 0) | |
445 | ivs.setting = 0; | |
446 | else | |
ff1e35ed | 447 | return on_off("spoofchk", *argv); |
7b8179c7 | 448 | ivs.vf = vf; |
ef0a738c SH |
449 | addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, |
450 | &ivs, sizeof(ivs)); | |
7b8179c7 | 451 | |
6c55c8c4 VZ |
452 | } else if (matches(*argv, "query_rss") == 0) { |
453 | struct ifla_vf_rss_query_en ivs; | |
6c5ffb9a | 454 | |
6c55c8c4 VZ |
455 | NEXT_ARG(); |
456 | if (matches(*argv, "on") == 0) | |
457 | ivs.setting = 1; | |
458 | else if (matches(*argv, "off") == 0) | |
459 | ivs.setting = 0; | |
460 | else | |
ff1e35ed | 461 | return on_off("query_rss", *argv); |
6c55c8c4 | 462 | ivs.vf = vf; |
ef0a738c SH |
463 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RSS_QUERY_EN, |
464 | &ivs, sizeof(ivs)); | |
6c55c8c4 | 465 | |
b6d77d9e HS |
466 | } else if (matches(*argv, "trust") == 0) { |
467 | struct ifla_vf_trust ivt; | |
56f5daac | 468 | |
b6d77d9e HS |
469 | NEXT_ARG(); |
470 | if (matches(*argv, "on") == 0) | |
471 | ivt.setting = 1; | |
472 | else if (matches(*argv, "off") == 0) | |
473 | ivt.setting = 0; | |
474 | else | |
475 | invarg("Invalid \"trust\" value\n", *argv); | |
476 | ivt.vf = vf; | |
ef0a738c SH |
477 | addattr_l(&req->n, sizeof(*req), IFLA_VF_TRUST, |
478 | &ivt, sizeof(ivt)); | |
b6d77d9e | 479 | |
07fa9c15 RE |
480 | } else if (matches(*argv, "state") == 0) { |
481 | struct ifla_vf_link_state ivl; | |
6c5ffb9a | 482 | |
07fa9c15 RE |
483 | NEXT_ARG(); |
484 | if (matches(*argv, "auto") == 0) | |
485 | ivl.link_state = IFLA_VF_LINK_STATE_AUTO; | |
486 | else if (matches(*argv, "enable") == 0) | |
487 | ivl.link_state = IFLA_VF_LINK_STATE_ENABLE; | |
488 | else if (matches(*argv, "disable") == 0) | |
489 | ivl.link_state = IFLA_VF_LINK_STATE_DISABLE; | |
490 | else | |
491 | invarg("Invalid \"state\" value\n", *argv); | |
492 | ivl.vf = vf; | |
ef0a738c SH |
493 | addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, |
494 | &ivl, sizeof(ivl)); | |
d91fb3f4 EC |
495 | } else if (matches(*argv, "node_guid") == 0) { |
496 | struct ifla_vf_guid ivg; | |
497 | ||
498 | NEXT_ARG(); | |
499 | ivg.vf = vf; | |
500 | if (get_guid(&ivg.guid, *argv)) { | |
501 | invarg("Invalid GUID format\n", *argv); | |
502 | return -1; | |
503 | } | |
ef0a738c SH |
504 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_NODE_GUID, |
505 | &ivg, sizeof(ivg)); | |
d91fb3f4 EC |
506 | } else if (matches(*argv, "port_guid") == 0) { |
507 | struct ifla_vf_guid ivg; | |
508 | ||
509 | NEXT_ARG(); | |
510 | ivg.vf = vf; | |
511 | if (get_guid(&ivg.guid, *argv)) { | |
512 | invarg("Invalid GUID format\n", *argv); | |
513 | return -1; | |
514 | } | |
ef0a738c SH |
515 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_PORT_GUID, |
516 | &ivg, sizeof(ivg)); | |
3fd86630 CW |
517 | } else { |
518 | /* rewind arg */ | |
519 | PREV_ARG(); | |
520 | break; | |
521 | } | |
522 | } | |
523 | ||
f89a2a05 SC |
524 | if (new_rate_api) { |
525 | int tmin, tmax; | |
9a02651a | 526 | |
f89a2a05 SC |
527 | if (tivt.min_tx_rate == -1 || tivt.max_tx_rate == -1) { |
528 | ipaddr_get_vf_rate(tivt.vf, &tmin, &tmax, dev_index); | |
529 | if (tivt.min_tx_rate == -1) | |
530 | tivt.min_tx_rate = tmin; | |
531 | if (tivt.max_tx_rate == -1) | |
532 | tivt.max_tx_rate = tmax; | |
533 | } | |
534 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RATE, &tivt, | |
535 | sizeof(tivt)); | |
536 | } | |
537 | ||
3fd86630 CW |
538 | if (argc == *argcp) |
539 | incomplete_command(); | |
540 | ||
1598b9ef | 541 | addattr_nest_end(&req->n, vfinfo); |
3fd86630 CW |
542 | |
543 | *argcp = argc; | |
544 | *argvp = argv; | |
1598b9ef | 545 | return 0; |
3fd86630 CW |
546 | } |
547 | ||
909dfe2c | 548 | int iplink_parse(int argc, char **argv, struct iplink_req *req, |
6c5ffb9a SH |
549 | char **name, char **type, char **link, char **dev, |
550 | int *group, int *index) | |
1d934839 | 551 | { |
909dfe2c PE |
552 | int ret, len; |
553 | char abuf[32]; | |
1d934839 PM |
554 | int qlen = -1; |
555 | int mtu = -1; | |
e2613dc8 | 556 | int netns = -1; |
ae7229d5 | 557 | int vf = -1; |
d992f3e6 JP |
558 | int numtxqueues = -1; |
559 | int numrxqueues = -1; | |
9a02651a | 560 | int dev_index = 0; |
ccdcbf35 | 561 | int link_netnsid = -1; |
8fe58d58 | 562 | int addr_len = 0; |
1d934839 | 563 | |
db02608b | 564 | *group = -1; |
909dfe2c | 565 | ret = argc; |
1d934839 PM |
566 | |
567 | while (argc > 0) { | |
568 | if (strcmp(*argv, "up") == 0) { | |
909dfe2c PE |
569 | req->i.ifi_change |= IFF_UP; |
570 | req->i.ifi_flags |= IFF_UP; | |
1d934839 | 571 | } else if (strcmp(*argv, "down") == 0) { |
909dfe2c PE |
572 | req->i.ifi_change |= IFF_UP; |
573 | req->i.ifi_flags &= ~IFF_UP; | |
1d934839 PM |
574 | } else if (strcmp(*argv, "name") == 0) { |
575 | NEXT_ARG(); | |
909dfe2c | 576 | *name = *argv; |
5e25cf77 PE |
577 | } else if (strcmp(*argv, "index") == 0) { |
578 | NEXT_ARG(); | |
579 | *index = atoi(*argv); | |
3c682146 WC |
580 | if (*index < 0) |
581 | invarg("Invalid \"index\" value", *argv); | |
1d934839 PM |
582 | } else if (matches(*argv, "link") == 0) { |
583 | NEXT_ARG(); | |
909dfe2c | 584 | *link = *argv; |
1d934839 PM |
585 | } else if (matches(*argv, "address") == 0) { |
586 | NEXT_ARG(); | |
8fe58d58 | 587 | addr_len = ll_addr_a2n(abuf, sizeof(abuf), *argv); |
0aae2346 | 588 | if (addr_len < 0) |
cb2eb999 | 589 | return -1; |
bb6ab47b SH |
590 | addattr_l(&req->n, sizeof(*req), |
591 | IFLA_ADDRESS, abuf, addr_len); | |
1d934839 | 592 | } else if (matches(*argv, "broadcast") == 0 || |
6c5ffb9a | 593 | strcmp(*argv, "brd") == 0) { |
1d934839 PM |
594 | NEXT_ARG(); |
595 | len = ll_addr_a2n(abuf, sizeof(abuf), *argv); | |
cb2eb999 AH |
596 | if (len < 0) |
597 | return -1; | |
bb6ab47b SH |
598 | addattr_l(&req->n, sizeof(*req), |
599 | IFLA_BROADCAST, abuf, len); | |
1d934839 | 600 | } else if (matches(*argv, "txqueuelen") == 0 || |
6c5ffb9a SH |
601 | strcmp(*argv, "qlen") == 0 || |
602 | matches(*argv, "txqlen") == 0) { | |
1d934839 PM |
603 | NEXT_ARG(); |
604 | if (qlen != -1) | |
605 | duparg("txqueuelen", *argv); | |
606 | if (get_integer(&qlen, *argv, 0)) | |
607 | invarg("Invalid \"txqueuelen\" value\n", *argv); | |
bb6ab47b SH |
608 | addattr_l(&req->n, sizeof(*req), |
609 | IFLA_TXQLEN, &qlen, 4); | |
1d934839 PM |
610 | } else if (strcmp(*argv, "mtu") == 0) { |
611 | NEXT_ARG(); | |
612 | if (mtu != -1) | |
613 | duparg("mtu", *argv); | |
614 | if (get_integer(&mtu, *argv, 0)) | |
615 | invarg("Invalid \"mtu\" value\n", *argv); | |
909dfe2c | 616 | addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4); |
a872b870 | 617 | } else if (strcmp(*argv, "xdpgeneric") == 0 || |
14683814 | 618 | strcmp(*argv, "xdpdrv") == 0 || |
a872b870 DB |
619 | strcmp(*argv, "xdp") == 0) { |
620 | bool generic = strcmp(*argv, "xdpgeneric") == 0; | |
14683814 | 621 | bool drv = strcmp(*argv, "xdpdrv") == 0; |
a872b870 | 622 | |
c7272ca7 | 623 | NEXT_ARG(); |
14683814 | 624 | if (xdp_parse(&argc, &argv, req, generic, drv)) |
c7272ca7 | 625 | exit(-1); |
4b726cb1 SH |
626 | } else if (strcmp(*argv, "netns") == 0) { |
627 | NEXT_ARG(); | |
628 | if (netns != -1) | |
629 | duparg("netns", *argv); | |
6c5ffb9a SH |
630 | netns = netns_get_fd(*argv); |
631 | if (netns >= 0) | |
ef0a738c SH |
632 | addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, |
633 | &netns, 4); | |
0dc34c77 | 634 | else if (get_integer(&netns, *argv, 0) == 0) |
bb6ab47b SH |
635 | addattr_l(&req->n, sizeof(*req), |
636 | IFLA_NET_NS_PID, &netns, 4); | |
0dc34c77 | 637 | else |
4b726cb1 | 638 | invarg("Invalid \"netns\" value\n", *argv); |
1d934839 PM |
639 | } else if (strcmp(*argv, "multicast") == 0) { |
640 | NEXT_ARG(); | |
909dfe2c | 641 | req->i.ifi_change |= IFF_MULTICAST; |
6c5ffb9a SH |
642 | |
643 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 644 | req->i.ifi_flags |= IFF_MULTICAST; |
6c5ffb9a | 645 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 646 | req->i.ifi_flags &= ~IFF_MULTICAST; |
6c5ffb9a | 647 | else |
14645ec2 | 648 | return on_off("multicast", *argv); |
1d934839 PM |
649 | } else if (strcmp(*argv, "allmulticast") == 0) { |
650 | NEXT_ARG(); | |
909dfe2c | 651 | req->i.ifi_change |= IFF_ALLMULTI; |
6c5ffb9a SH |
652 | |
653 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 654 | req->i.ifi_flags |= IFF_ALLMULTI; |
6c5ffb9a | 655 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 656 | req->i.ifi_flags &= ~IFF_ALLMULTI; |
6c5ffb9a | 657 | else |
14645ec2 | 658 | return on_off("allmulticast", *argv); |
1d934839 PM |
659 | } else if (strcmp(*argv, "promisc") == 0) { |
660 | NEXT_ARG(); | |
909dfe2c | 661 | req->i.ifi_change |= IFF_PROMISC; |
6c5ffb9a SH |
662 | |
663 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 664 | req->i.ifi_flags |= IFF_PROMISC; |
6c5ffb9a | 665 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 666 | req->i.ifi_flags &= ~IFF_PROMISC; |
6c5ffb9a | 667 | else |
14645ec2 | 668 | return on_off("promisc", *argv); |
1d934839 PM |
669 | } else if (strcmp(*argv, "trailers") == 0) { |
670 | NEXT_ARG(); | |
909dfe2c | 671 | req->i.ifi_change |= IFF_NOTRAILERS; |
6c5ffb9a SH |
672 | |
673 | if (strcmp(*argv, "off") == 0) | |
909dfe2c | 674 | req->i.ifi_flags |= IFF_NOTRAILERS; |
6c5ffb9a | 675 | else if (strcmp(*argv, "on") == 0) |
909dfe2c | 676 | req->i.ifi_flags &= ~IFF_NOTRAILERS; |
6c5ffb9a | 677 | else |
14645ec2 | 678 | return on_off("trailers", *argv); |
1d934839 PM |
679 | } else if (strcmp(*argv, "arp") == 0) { |
680 | NEXT_ARG(); | |
909dfe2c | 681 | req->i.ifi_change |= IFF_NOARP; |
6c5ffb9a SH |
682 | |
683 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 684 | req->i.ifi_flags &= ~IFF_NOARP; |
6c5ffb9a | 685 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 686 | req->i.ifi_flags |= IFF_NOARP; |
6c5ffb9a | 687 | else |
e543a6a8 | 688 | return on_off("arp", *argv); |
432b92a7 ZS |
689 | } else if (strcmp(*argv, "carrier") == 0) { |
690 | int carrier; | |
bb6ab47b | 691 | |
432b92a7 ZS |
692 | NEXT_ARG(); |
693 | if (strcmp(*argv, "on") == 0) | |
694 | carrier = 1; | |
695 | else if (strcmp(*argv, "off") == 0) | |
696 | carrier = 0; | |
697 | else | |
698 | return on_off("carrier", *argv); | |
699 | ||
700 | addattr8(&req->n, sizeof(*req), IFLA_CARRIER, carrier); | |
ae7229d5 | 701 | } else if (strcmp(*argv, "vf") == 0) { |
1598b9ef | 702 | struct rtattr *vflist; |
6c5ffb9a | 703 | |
ae7229d5 | 704 | NEXT_ARG(); |
6c5ffb9a | 705 | if (get_integer(&vf, *argv, 0)) |
ae7229d5 | 706 | invarg("Invalid \"vf\" value\n", *argv); |
6c5ffb9a | 707 | |
1598b9ef SH |
708 | vflist = addattr_nest(&req->n, sizeof(*req), |
709 | IFLA_VFINFO_LIST); | |
9a02651a SH |
710 | if (dev_index == 0) |
711 | missarg("dev"); | |
712 | ||
f89a2a05 | 713 | len = iplink_parse_vf(vf, &argc, &argv, req, dev_index); |
1598b9ef SH |
714 | if (len < 0) |
715 | return -1; | |
716 | addattr_nest_end(&req->n, vflist); | |
a1e191b9 JP |
717 | } else if (matches(*argv, "master") == 0) { |
718 | int ifindex; | |
6c5ffb9a | 719 | |
a1e191b9 JP |
720 | NEXT_ARG(); |
721 | ifindex = ll_name_to_index(*argv); | |
722 | if (!ifindex) | |
723 | invarg("Device does not exist\n", *argv); | |
724 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, | |
725 | &ifindex, 4); | |
104444c2 DA |
726 | } else if (strcmp(*argv, "vrf") == 0) { |
727 | int ifindex; | |
728 | ||
729 | NEXT_ARG(); | |
730 | ifindex = ll_name_to_index(*argv); | |
731 | if (!ifindex) | |
732 | invarg("Not a valid VRF name\n", *argv); | |
733 | if (!name_is_vrf(*argv)) | |
734 | invarg("Not a valid VRF name\n", *argv); | |
735 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, | |
736 | &ifindex, sizeof(ifindex)); | |
a1e191b9 JP |
737 | } else if (matches(*argv, "nomaster") == 0) { |
738 | int ifindex = 0; | |
6c5ffb9a | 739 | |
a1e191b9 JP |
740 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, |
741 | &ifindex, 4); | |
1d934839 PM |
742 | } else if (matches(*argv, "dynamic") == 0) { |
743 | NEXT_ARG(); | |
909dfe2c | 744 | req->i.ifi_change |= IFF_DYNAMIC; |
6c5ffb9a SH |
745 | |
746 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 747 | req->i.ifi_flags |= IFF_DYNAMIC; |
6c5ffb9a | 748 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 749 | req->i.ifi_flags &= ~IFF_DYNAMIC; |
6c5ffb9a | 750 | else |
14645ec2 | 751 | return on_off("dynamic", *argv); |
1d934839 PM |
752 | } else if (matches(*argv, "type") == 0) { |
753 | NEXT_ARG(); | |
909dfe2c | 754 | *type = *argv; |
1d934839 PM |
755 | argc--; argv++; |
756 | break; | |
ace9c961 SH |
757 | } else if (matches(*argv, "alias") == 0) { |
758 | NEXT_ARG(); | |
759 | addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS, | |
760 | *argv, strlen(*argv)); | |
761 | argc--; argv++; | |
762 | break; | |
db02608b VD |
763 | } else if (strcmp(*argv, "group") == 0) { |
764 | NEXT_ARG(); | |
765 | if (*group != -1) | |
766 | duparg("group", *argv); | |
767 | if (rtnl_group_a2n(group, *argv)) | |
768 | invarg("Invalid \"group\" value\n", *argv); | |
82499282 SH |
769 | } else if (strcmp(*argv, "mode") == 0) { |
770 | int mode; | |
6c5ffb9a | 771 | |
82499282 | 772 | NEXT_ARG(); |
4ccfb44d | 773 | mode = get_link_mode(*argv); |
82499282 SH |
774 | if (mode < 0) |
775 | invarg("Invalid link mode\n", *argv); | |
776 | addattr8(&req->n, sizeof(*req), IFLA_LINKMODE, mode); | |
4f2fdd44 SH |
777 | } else if (strcmp(*argv, "state") == 0) { |
778 | int state; | |
6c5ffb9a | 779 | |
4f2fdd44 SH |
780 | NEXT_ARG(); |
781 | state = get_operstate(*argv); | |
782 | if (state < 0) | |
783 | invarg("Invalid operstate\n", *argv); | |
784 | ||
785 | addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state); | |
d992f3e6 JP |
786 | } else if (matches(*argv, "numtxqueues") == 0) { |
787 | NEXT_ARG(); | |
788 | if (numtxqueues != -1) | |
789 | duparg("numtxqueues", *argv); | |
790 | if (get_integer(&numtxqueues, *argv, 0)) | |
bb6ab47b SH |
791 | invarg("Invalid \"numtxqueues\" value\n", |
792 | *argv); | |
d992f3e6 JP |
793 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES, |
794 | &numtxqueues, 4); | |
795 | } else if (matches(*argv, "numrxqueues") == 0) { | |
796 | NEXT_ARG(); | |
797 | if (numrxqueues != -1) | |
798 | duparg("numrxqueues", *argv); | |
799 | if (get_integer(&numrxqueues, *argv, 0)) | |
bb6ab47b SH |
800 | invarg("Invalid \"numrxqueues\" value\n", |
801 | *argv); | |
d992f3e6 JP |
802 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES, |
803 | &numrxqueues, 4); | |
ff7c2084 JP |
804 | } else if (matches(*argv, "addrgenmode") == 0) { |
805 | struct rtattr *afs, *afs6; | |
806 | int mode; | |
6c5ffb9a | 807 | |
ff7c2084 JP |
808 | NEXT_ARG(); |
809 | mode = get_addr_gen_mode(*argv); | |
810 | if (mode < 0) | |
bb6ab47b SH |
811 | invarg("Invalid address generation mode\n", |
812 | *argv); | |
ff7c2084 JP |
813 | afs = addattr_nest(&req->n, sizeof(*req), IFLA_AF_SPEC); |
814 | afs6 = addattr_nest(&req->n, sizeof(*req), AF_INET6); | |
ef0a738c SH |
815 | addattr8(&req->n, sizeof(*req), |
816 | IFLA_INET6_ADDR_GEN_MODE, mode); | |
ff7c2084 JP |
817 | addattr_nest_end(&req->n, afs6); |
818 | addattr_nest_end(&req->n, afs); | |
ccdcbf35 ND |
819 | } else if (matches(*argv, "link-netnsid") == 0) { |
820 | NEXT_ARG(); | |
821 | if (link_netnsid != -1) | |
822 | duparg("link-netnsid", *argv); | |
823 | if (get_integer(&link_netnsid, *argv, 0)) | |
bb6ab47b SH |
824 | invarg("Invalid \"link-netnsid\" value\n", |
825 | *argv); | |
ccdcbf35 ND |
826 | addattr32(&req->n, sizeof(*req), IFLA_LINK_NETNSID, |
827 | link_netnsid); | |
18864827 AK |
828 | } else if (strcmp(*argv, "protodown") == 0) { |
829 | unsigned int proto_down; | |
830 | ||
831 | NEXT_ARG(); | |
832 | if (strcmp(*argv, "on") == 0) | |
833 | proto_down = 1; | |
834 | else if (strcmp(*argv, "off") == 0) | |
835 | proto_down = 0; | |
836 | else | |
837 | return on_off("protodown", *argv); | |
838 | addattr8(&req->n, sizeof(*req), IFLA_PROTO_DOWN, | |
839 | proto_down); | |
1d934839 | 840 | } else { |
05325552 PM |
841 | if (matches(*argv, "help") == 0) |
842 | usage(); | |
940a96e6 PS |
843 | |
844 | if (strcmp(*argv, "dev") == 0) | |
845 | NEXT_ARG(); | |
909dfe2c | 846 | if (*dev) |
1d934839 | 847 | duparg2("dev", *argv); |
909dfe2c | 848 | *dev = *argv; |
f89a2a05 | 849 | dev_index = ll_name_to_index(*dev); |
1d934839 PM |
850 | } |
851 | argc--; argv++; | |
852 | } | |
853 | ||
8fe58d58 PS |
854 | if (dev_index && addr_len) { |
855 | int halen = nl_get_ll_addr_len(dev_index); | |
ef0a738c | 856 | |
8fe58d58 PS |
857 | if (halen >= 0 && halen != addr_len) { |
858 | fprintf(stderr, | |
ef0a738c SH |
859 | "Invalid address length %d - must be %d bytes\n", |
860 | addr_len, halen); | |
8fe58d58 PS |
861 | return -1; |
862 | } | |
863 | } | |
864 | ||
909dfe2c PE |
865 | return ret - argc; |
866 | } | |
867 | ||
868 | static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv) | |
869 | { | |
870 | int len; | |
871 | char *dev = NULL; | |
872 | char *name = NULL; | |
873 | char *link = NULL; | |
874 | char *type = NULL; | |
3c682146 | 875 | int index = -1; |
db02608b | 876 | int group; |
909dfe2c | 877 | struct link_util *lu = NULL; |
d17b136f PS |
878 | struct iplink_req req = { |
879 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
880 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
881 | .n.nlmsg_type = cmd, | |
882 | .i.ifi_family = preferred_family, | |
883 | }; | |
909dfe2c PE |
884 | int ret; |
885 | ||
ef0a738c SH |
886 | ret = iplink_parse(argc, argv, |
887 | &req, &name, &type, &link, &dev, &group, &index); | |
909dfe2c PE |
888 | if (ret < 0) |
889 | return ret; | |
890 | ||
891 | argc -= ret; | |
892 | argv += ret; | |
db02608b VD |
893 | |
894 | if (group != -1) { | |
895 | if (dev) | |
896 | addattr_l(&req.n, sizeof(req), IFLA_GROUP, | |
897 | &group, sizeof(group)); | |
898 | else { | |
899 | if (argc) { | |
6773bcc2 SH |
900 | fprintf(stderr, |
901 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", | |
902 | *argv); | |
db02608b VD |
903 | return -1; |
904 | } | |
905 | if (flags & NLM_F_CREATE) { | |
bb6ab47b SH |
906 | fprintf(stderr, |
907 | "group cannot be used when creating devices.\n"); | |
db02608b VD |
908 | return -1; |
909 | } | |
910 | ||
911 | req.i.ifi_index = 0; | |
912 | addattr32(&req.n, sizeof(req), IFLA_GROUP, group); | |
c079e121 | 913 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
f921f567 | 914 | return -2; |
db02608b VD |
915 | return 0; |
916 | } | |
917 | } | |
918 | ||
1d934839 PM |
919 | if (!(flags & NLM_F_CREATE)) { |
920 | if (!dev) { | |
bb6ab47b SH |
921 | fprintf(stderr, |
922 | "Not enough information: \"dev\" argument is required.\n"); | |
1d934839 PM |
923 | exit(-1); |
924 | } | |
3c682146 | 925 | if (cmd == RTM_NEWLINK && index != -1) { |
bb6ab47b SH |
926 | fprintf(stderr, |
927 | "index can be used only when creating devices.\n"); | |
3c682146 WC |
928 | exit(-1); |
929 | } | |
1d934839 PM |
930 | |
931 | req.i.ifi_index = ll_name_to_index(dev); | |
932 | if (req.i.ifi_index == 0) { | |
933 | fprintf(stderr, "Cannot find device \"%s\"\n", dev); | |
934 | return -1; | |
935 | } | |
936 | } else { | |
937 | /* Allow "ip link add dev" and "ip link add name" */ | |
938 | if (!name) | |
939 | name = dev; | |
940 | ||
941 | if (link) { | |
942 | int ifindex; | |
943 | ||
944 | ifindex = ll_name_to_index(link); | |
945 | if (ifindex == 0) { | |
946 | fprintf(stderr, "Cannot find device \"%s\"\n", | |
947 | link); | |
948 | return -1; | |
949 | } | |
950 | addattr_l(&req.n, sizeof(req), IFLA_LINK, &ifindex, 4); | |
951 | } | |
5e25cf77 | 952 | |
68ac9ab3 AW |
953 | if (index == -1) |
954 | req.i.ifi_index = 0; | |
955 | else | |
956 | req.i.ifi_index = index; | |
1d934839 PM |
957 | } |
958 | ||
959 | if (name) { | |
960 | len = strlen(name) + 1; | |
ca78b0e7 | 961 | if (len == 1) |
ef0a738c SH |
962 | invarg("\"\" is not a valid device identifier\n", |
963 | "name"); | |
1d934839 | 964 | if (len > IFNAMSIZ) |
ca78b0e7 | 965 | invarg("\"name\" too long\n", name); |
1d934839 PM |
966 | addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, len); |
967 | } | |
968 | ||
09fa3279 | 969 | if (type) { |
a1e2e5fc | 970 | struct rtattr *linkinfo; |
22a84711 | 971 | char *ulinep = strchr(type, '_'); |
620ddeda NA |
972 | int iflatype; |
973 | ||
a1e2e5fc | 974 | linkinfo = addattr_nest(&req.n, sizeof(req), IFLA_LINKINFO); |
09fa3279 SH |
975 | addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type, |
976 | strlen(type)); | |
977 | ||
22a84711 HL |
978 | lu = get_link_kind(type); |
979 | if (ulinep && !strcmp(ulinep, "_slave")) | |
620ddeda | 980 | iflatype = IFLA_INFO_SLAVE_DATA; |
22a84711 | 981 | else |
620ddeda | 982 | iflatype = IFLA_INFO_DATA; |
09fa3279 | 983 | if (lu && argc) { |
bb6ab47b SH |
984 | struct rtattr *data |
985 | = addattr_nest(&req.n, | |
986 | sizeof(req), iflatype); | |
09fa3279 SH |
987 | |
988 | if (lu->parse_opt && | |
989 | lu->parse_opt(lu, argc, argv, &req.n)) | |
990 | return -1; | |
991 | ||
a1e2e5fc | 992 | addattr_nest_end(&req.n, data); |
09fa3279 SH |
993 | } else if (argc) { |
994 | if (matches(*argv, "help") == 0) | |
995 | usage(); | |
6773bcc2 SH |
996 | fprintf(stderr, |
997 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", | |
998 | *argv); | |
09fa3279 SH |
999 | return -1; |
1000 | } | |
a1e2e5fc | 1001 | addattr_nest_end(&req.n, linkinfo); |
09fa3279 | 1002 | } else if (flags & NLM_F_CREATE) { |
bb6ab47b SH |
1003 | fprintf(stderr, |
1004 | "Not enough information: \"type\" argument is required\n"); | |
09fa3279 SH |
1005 | return -1; |
1006 | } | |
1007 | ||
c079e121 | 1008 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
f921f567 | 1009 | return -2; |
1d934839 PM |
1010 | |
1011 | return 0; | |
1012 | } | |
1013 | ||
50b9950d RP |
1014 | int iplink_get(unsigned int flags, char *name, __u32 filt_mask) |
1015 | { | |
1016 | int len; | |
d17b136f PS |
1017 | struct iplink_req req = { |
1018 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
1019 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
1020 | .n.nlmsg_type = RTM_GETLINK, | |
1021 | .i.ifi_family = preferred_family, | |
1022 | }; | |
c079e121 SH |
1023 | struct { |
1024 | struct nlmsghdr n; | |
1025 | char buf[16384]; | |
1026 | } answer; | |
50b9950d | 1027 | |
50b9950d RP |
1028 | if (name) { |
1029 | len = strlen(name) + 1; | |
1030 | if (len == 1) | |
1031 | invarg("\"\" is not a valid device identifier\n", | |
1032 | "name"); | |
1033 | if (len > IFNAMSIZ) | |
1034 | invarg("\"name\" too long\n", name); | |
1035 | addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, len); | |
1036 | } | |
1037 | addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask); | |
1038 | ||
c079e121 | 1039 | if (rtnl_talk(&rth, &req.n, &answer.n, sizeof(answer)) < 0) |
50b9950d RP |
1040 | return -2; |
1041 | ||
5d295bb8 | 1042 | if (brief) |
63891c70 | 1043 | print_linkinfo_brief(NULL, &answer.n, stdout, NULL); |
5d295bb8 AG |
1044 | else |
1045 | print_linkinfo(NULL, &answer.n, stdout); | |
50b9950d RP |
1046 | |
1047 | return 0; | |
1048 | } | |
1049 | ||
1d934839 | 1050 | #if IPLINK_IOCTL_COMPAT |
aba5acdf SH |
1051 | static int get_ctl_fd(void) |
1052 | { | |
1053 | int s_errno; | |
1054 | int fd; | |
1055 | ||
1056 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
1057 | if (fd >= 0) | |
1058 | return fd; | |
1059 | s_errno = errno; | |
1060 | fd = socket(PF_PACKET, SOCK_DGRAM, 0); | |
1061 | if (fd >= 0) | |
1062 | return fd; | |
1063 | fd = socket(PF_INET6, SOCK_DGRAM, 0); | |
1064 | if (fd >= 0) | |
1065 | return fd; | |
1066 | errno = s_errno; | |
1067 | perror("Cannot create control socket"); | |
1068 | return -1; | |
1069 | } | |
1070 | ||
71058eb8 | 1071 | static int do_chflags(const char *dev, __u32 flags, __u32 mask) |
aba5acdf SH |
1072 | { |
1073 | struct ifreq ifr; | |
1074 | int fd; | |
1075 | int err; | |
1076 | ||
71058eb8 | 1077 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1078 | fd = get_ctl_fd(); |
1079 | if (fd < 0) | |
1080 | return -1; | |
1081 | err = ioctl(fd, SIOCGIFFLAGS, &ifr); | |
1082 | if (err) { | |
1083 | perror("SIOCGIFFLAGS"); | |
1084 | close(fd); | |
1085 | return -1; | |
1086 | } | |
1087 | if ((ifr.ifr_flags^flags)&mask) { | |
1088 | ifr.ifr_flags &= ~mask; | |
1089 | ifr.ifr_flags |= mask&flags; | |
1090 | err = ioctl(fd, SIOCSIFFLAGS, &ifr); | |
1091 | if (err) | |
1092 | perror("SIOCSIFFLAGS"); | |
1093 | } | |
1094 | close(fd); | |
1095 | return err; | |
1096 | } | |
1097 | ||
71058eb8 | 1098 | static int do_changename(const char *dev, const char *newdev) |
aba5acdf SH |
1099 | { |
1100 | struct ifreq ifr; | |
1101 | int fd; | |
1102 | int err; | |
1103 | ||
71058eb8 SH |
1104 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
1105 | strncpy(ifr.ifr_newname, newdev, IFNAMSIZ); | |
aba5acdf SH |
1106 | fd = get_ctl_fd(); |
1107 | if (fd < 0) | |
1108 | return -1; | |
1109 | err = ioctl(fd, SIOCSIFNAME, &ifr); | |
1110 | if (err) { | |
1111 | perror("SIOCSIFNAME"); | |
1112 | close(fd); | |
1113 | return -1; | |
1114 | } | |
1115 | close(fd); | |
1116 | return err; | |
1117 | } | |
1118 | ||
71058eb8 | 1119 | static int set_qlen(const char *dev, int qlen) |
aba5acdf | 1120 | { |
d17b136f | 1121 | struct ifreq ifr = { .ifr_qlen = qlen }; |
aba5acdf SH |
1122 | int s; |
1123 | ||
1124 | s = get_ctl_fd(); | |
1125 | if (s < 0) | |
1126 | return -1; | |
1127 | ||
ae665a52 | 1128 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1129 | if (ioctl(s, SIOCSIFTXQLEN, &ifr) < 0) { |
1130 | perror("SIOCSIFXQLEN"); | |
1131 | close(s); | |
1132 | return -1; | |
1133 | } | |
1134 | close(s); | |
1135 | ||
ae665a52 | 1136 | return 0; |
aba5acdf SH |
1137 | } |
1138 | ||
71058eb8 | 1139 | static int set_mtu(const char *dev, int mtu) |
aba5acdf | 1140 | { |
d17b136f | 1141 | struct ifreq ifr = { .ifr_mtu = mtu }; |
aba5acdf SH |
1142 | int s; |
1143 | ||
1144 | s = get_ctl_fd(); | |
1145 | if (s < 0) | |
1146 | return -1; | |
1147 | ||
ae665a52 | 1148 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1149 | if (ioctl(s, SIOCSIFMTU, &ifr) < 0) { |
1150 | perror("SIOCSIFMTU"); | |
1151 | close(s); | |
1152 | return -1; | |
1153 | } | |
1154 | close(s); | |
1155 | ||
ae665a52 | 1156 | return 0; |
aba5acdf SH |
1157 | } |
1158 | ||
71058eb8 | 1159 | static int get_address(const char *dev, int *htype) |
aba5acdf | 1160 | { |
d17b136f PS |
1161 | struct ifreq ifr = {}; |
1162 | struct sockaddr_ll me = { | |
1163 | .sll_family = AF_PACKET, | |
1164 | .sll_protocol = htons(ETH_P_LOOP), | |
1165 | }; | |
f332d169 | 1166 | socklen_t alen; |
aba5acdf SH |
1167 | int s; |
1168 | ||
1169 | s = socket(PF_PACKET, SOCK_DGRAM, 0); | |
ae665a52 | 1170 | if (s < 0) { |
aba5acdf SH |
1171 | perror("socket(PF_PACKET)"); |
1172 | return -1; | |
1173 | } | |
1174 | ||
71058eb8 | 1175 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1176 | if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) { |
1177 | perror("SIOCGIFINDEX"); | |
1178 | close(s); | |
1179 | return -1; | |
1180 | } | |
1181 | ||
aba5acdf | 1182 | me.sll_ifindex = ifr.ifr_ifindex; |
6c5ffb9a | 1183 | if (bind(s, (struct sockaddr *)&me, sizeof(me)) == -1) { |
aba5acdf SH |
1184 | perror("bind"); |
1185 | close(s); | |
1186 | return -1; | |
1187 | } | |
1188 | ||
1189 | alen = sizeof(me); | |
6c5ffb9a | 1190 | if (getsockname(s, (struct sockaddr *)&me, &alen) == -1) { |
aba5acdf SH |
1191 | perror("getsockname"); |
1192 | close(s); | |
1193 | return -1; | |
1194 | } | |
1195 | close(s); | |
1196 | *htype = me.sll_hatype; | |
1197 | return me.sll_halen; | |
1198 | } | |
1199 | ||
ae665a52 | 1200 | static int parse_address(const char *dev, int hatype, int halen, |
7b565754 | 1201 | char *lla, struct ifreq *ifr) |
aba5acdf SH |
1202 | { |
1203 | int alen; | |
1204 | ||
1205 | memset(ifr, 0, sizeof(*ifr)); | |
71058eb8 | 1206 | strncpy(ifr->ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1207 | ifr->ifr_hwaddr.sa_family = hatype; |
1208 | alen = ll_addr_a2n(ifr->ifr_hwaddr.sa_data, 14, lla); | |
1209 | if (alen < 0) | |
1210 | return -1; | |
1211 | if (alen != halen) { | |
bb6ab47b SH |
1212 | fprintf(stderr, |
1213 | "Wrong address (%s) length: expected %d bytes\n", | |
ef0a738c | 1214 | lla, halen); |
aba5acdf SH |
1215 | return -1; |
1216 | } | |
ae665a52 | 1217 | return 0; |
aba5acdf SH |
1218 | } |
1219 | ||
1220 | static int set_address(struct ifreq *ifr, int brd) | |
1221 | { | |
1222 | int s; | |
1223 | ||
1224 | s = get_ctl_fd(); | |
1225 | if (s < 0) | |
1226 | return -1; | |
1227 | if (ioctl(s, brd?SIOCSIFHWBROADCAST:SIOCSIFHWADDR, ifr) < 0) { | |
1228 | perror(brd?"SIOCSIFHWBROADCAST":"SIOCSIFHWADDR"); | |
1229 | close(s); | |
1230 | return -1; | |
1231 | } | |
1232 | close(s); | |
ae665a52 | 1233 | return 0; |
aba5acdf SH |
1234 | } |
1235 | ||
aba5acdf SH |
1236 | static int do_set(int argc, char **argv) |
1237 | { | |
1238 | char *dev = NULL; | |
1239 | __u32 mask = 0; | |
1240 | __u32 flags = 0; | |
1241 | int qlen = -1; | |
1242 | int mtu = -1; | |
1243 | char *newaddr = NULL; | |
1244 | char *newbrd = NULL; | |
1245 | struct ifreq ifr0, ifr1; | |
1246 | char *newname = NULL; | |
1247 | int htype, halen; | |
1248 | ||
1249 | while (argc > 0) { | |
1250 | if (strcmp(*argv, "up") == 0) { | |
1251 | mask |= IFF_UP; | |
1252 | flags |= IFF_UP; | |
1253 | } else if (strcmp(*argv, "down") == 0) { | |
1254 | mask |= IFF_UP; | |
1255 | flags &= ~IFF_UP; | |
1256 | } else if (strcmp(*argv, "name") == 0) { | |
1257 | NEXT_ARG(); | |
1258 | newname = *argv; | |
1259 | } else if (matches(*argv, "address") == 0) { | |
1260 | NEXT_ARG(); | |
1261 | newaddr = *argv; | |
1262 | } else if (matches(*argv, "broadcast") == 0 || | |
1263 | strcmp(*argv, "brd") == 0) { | |
1264 | NEXT_ARG(); | |
1265 | newbrd = *argv; | |
1266 | } else if (matches(*argv, "txqueuelen") == 0 || | |
1267 | strcmp(*argv, "qlen") == 0 || | |
1268 | matches(*argv, "txqlen") == 0) { | |
1269 | NEXT_ARG(); | |
1270 | if (qlen != -1) | |
1271 | duparg("txqueuelen", *argv); | |
1272 | if (get_integer(&qlen, *argv, 0)) | |
1273 | invarg("Invalid \"txqueuelen\" value\n", *argv); | |
1274 | } else if (strcmp(*argv, "mtu") == 0) { | |
1275 | NEXT_ARG(); | |
1276 | if (mtu != -1) | |
1277 | duparg("mtu", *argv); | |
1278 | if (get_integer(&mtu, *argv, 0)) | |
1279 | invarg("Invalid \"mtu\" value\n", *argv); | |
1280 | } else if (strcmp(*argv, "multicast") == 0) { | |
1281 | NEXT_ARG(); | |
1282 | mask |= IFF_MULTICAST; | |
6c5ffb9a SH |
1283 | |
1284 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1285 | flags |= IFF_MULTICAST; |
6c5ffb9a | 1286 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1287 | flags &= ~IFF_MULTICAST; |
6c5ffb9a | 1288 | else |
14645ec2 | 1289 | return on_off("multicast", *argv); |
d27b1b5b | 1290 | } else if (strcmp(*argv, "allmulticast") == 0) { |
1291 | NEXT_ARG(); | |
1292 | mask |= IFF_ALLMULTI; | |
6c5ffb9a SH |
1293 | |
1294 | if (strcmp(*argv, "on") == 0) | |
d27b1b5b | 1295 | flags |= IFF_ALLMULTI; |
6c5ffb9a | 1296 | else if (strcmp(*argv, "off") == 0) |
d27b1b5b | 1297 | flags &= ~IFF_ALLMULTI; |
6c5ffb9a | 1298 | else |
14645ec2 | 1299 | return on_off("allmulticast", *argv); |
d27b1b5b | 1300 | } else if (strcmp(*argv, "promisc") == 0) { |
1301 | NEXT_ARG(); | |
1302 | mask |= IFF_PROMISC; | |
6c5ffb9a SH |
1303 | |
1304 | if (strcmp(*argv, "on") == 0) | |
d27b1b5b | 1305 | flags |= IFF_PROMISC; |
6c5ffb9a | 1306 | else if (strcmp(*argv, "off") == 0) |
d27b1b5b | 1307 | flags &= ~IFF_PROMISC; |
6c5ffb9a | 1308 | else |
14645ec2 | 1309 | return on_off("promisc", *argv); |
d27b1b5b | 1310 | } else if (strcmp(*argv, "trailers") == 0) { |
1311 | NEXT_ARG(); | |
1312 | mask |= IFF_NOTRAILERS; | |
6c5ffb9a SH |
1313 | |
1314 | if (strcmp(*argv, "off") == 0) | |
d27b1b5b | 1315 | flags |= IFF_NOTRAILERS; |
6c5ffb9a | 1316 | else if (strcmp(*argv, "on") == 0) |
d27b1b5b | 1317 | flags &= ~IFF_NOTRAILERS; |
6c5ffb9a | 1318 | else |
14645ec2 | 1319 | return on_off("trailers", *argv); |
aba5acdf SH |
1320 | } else if (strcmp(*argv, "arp") == 0) { |
1321 | NEXT_ARG(); | |
1322 | mask |= IFF_NOARP; | |
6c5ffb9a SH |
1323 | |
1324 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1325 | flags &= ~IFF_NOARP; |
6c5ffb9a | 1326 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1327 | flags |= IFF_NOARP; |
6c5ffb9a | 1328 | else |
ff1e35ed | 1329 | return on_off("arp", *argv); |
aba5acdf SH |
1330 | } else if (matches(*argv, "dynamic") == 0) { |
1331 | NEXT_ARG(); | |
1332 | mask |= IFF_DYNAMIC; | |
6c5ffb9a SH |
1333 | |
1334 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1335 | flags |= IFF_DYNAMIC; |
6c5ffb9a | 1336 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1337 | flags &= ~IFF_DYNAMIC; |
6c5ffb9a | 1338 | else |
14645ec2 | 1339 | return on_off("dynamic", *argv); |
aba5acdf | 1340 | } else { |
6c5ffb9a | 1341 | if (strcmp(*argv, "dev") == 0) |
aba5acdf | 1342 | NEXT_ARG(); |
8aacb9bb | 1343 | else if (matches(*argv, "help") == 0) |
aba5acdf | 1344 | usage(); |
6c5ffb9a | 1345 | |
aba5acdf SH |
1346 | if (dev) |
1347 | duparg2("dev", *argv); | |
1348 | dev = *argv; | |
1349 | } | |
1350 | argc--; argv++; | |
1351 | } | |
1352 | ||
1353 | if (!dev) { | |
ef0a738c SH |
1354 | fprintf(stderr, |
1355 | "Not enough of information: \"dev\" argument is required.\n"); | |
aba5acdf SH |
1356 | exit(-1); |
1357 | } | |
1358 | ||
1359 | if (newaddr || newbrd) { | |
1360 | halen = get_address(dev, &htype); | |
1361 | if (halen < 0) | |
1362 | return -1; | |
1363 | if (newaddr) { | |
bb6ab47b SH |
1364 | if (parse_address(dev, htype, halen, |
1365 | newaddr, &ifr0) < 0) | |
aba5acdf SH |
1366 | return -1; |
1367 | } | |
1368 | if (newbrd) { | |
bb6ab47b SH |
1369 | if (parse_address(dev, htype, halen, |
1370 | newbrd, &ifr1) < 0) | |
ae665a52 | 1371 | return -1; |
aba5acdf SH |
1372 | } |
1373 | } | |
1374 | ||
1375 | if (newname && strcmp(dev, newname)) { | |
ca78b0e7 | 1376 | if (strlen(newname) == 0) |
bb6ab47b SH |
1377 | invarg("\"\" is not a valid device identifier\n", |
1378 | "name"); | |
aba5acdf SH |
1379 | if (do_changename(dev, newname) < 0) |
1380 | return -1; | |
1381 | dev = newname; | |
1382 | } | |
ae665a52 | 1383 | if (qlen != -1) { |
aba5acdf | 1384 | if (set_qlen(dev, qlen) < 0) |
ae665a52 | 1385 | return -1; |
aba5acdf | 1386 | } |
ae665a52 | 1387 | if (mtu != -1) { |
aba5acdf | 1388 | if (set_mtu(dev, mtu) < 0) |
ae665a52 | 1389 | return -1; |
aba5acdf SH |
1390 | } |
1391 | if (newaddr || newbrd) { | |
1392 | if (newbrd) { | |
1393 | if (set_address(&ifr1, 1) < 0) | |
ae665a52 | 1394 | return -1; |
aba5acdf SH |
1395 | } |
1396 | if (newaddr) { | |
1397 | if (set_address(&ifr0, 0) < 0) | |
1398 | return -1; | |
1399 | } | |
1400 | } | |
1401 | if (mask) | |
1402 | return do_chflags(dev, flags, mask); | |
1403 | return 0; | |
1404 | } | |
1d934839 | 1405 | #endif /* IPLINK_IOCTL_COMPAT */ |
aba5acdf | 1406 | |
837552b4 RS |
1407 | static void print_mpls_stats(FILE *fp, struct rtattr *attr) |
1408 | { | |
1409 | struct rtattr *mrtb[MPLS_STATS_MAX+1]; | |
1410 | struct mpls_link_stats *stats; | |
1411 | ||
1412 | parse_rtattr(mrtb, MPLS_STATS_MAX, RTA_DATA(attr), | |
1413 | RTA_PAYLOAD(attr)); | |
1414 | if (!mrtb[MPLS_STATS_LINK]) | |
1415 | return; | |
1416 | ||
1417 | stats = RTA_DATA(mrtb[MPLS_STATS_LINK]); | |
1418 | ||
1419 | fprintf(fp, " mpls:\n"); | |
1420 | fprintf(fp, " RX: bytes packets errors dropped noroute\n"); | |
1421 | fprintf(fp, " "); | |
1422 | print_num(fp, 10, stats->rx_bytes); | |
1423 | print_num(fp, 8, stats->rx_packets); | |
1424 | print_num(fp, 7, stats->rx_errors); | |
1425 | print_num(fp, 8, stats->rx_dropped); | |
1426 | print_num(fp, 7, stats->rx_noroute); | |
1427 | fprintf(fp, "\n"); | |
1428 | fprintf(fp, " TX: bytes packets errors dropped\n"); | |
1429 | fprintf(fp, " "); | |
1430 | print_num(fp, 10, stats->tx_bytes); | |
1431 | print_num(fp, 8, stats->tx_packets); | |
1432 | print_num(fp, 7, stats->tx_errors); | |
1433 | print_num(fp, 7, stats->tx_dropped); | |
1434 | fprintf(fp, "\n"); | |
1435 | } | |
1436 | ||
1437 | static void print_af_stats_attr(FILE *fp, int ifindex, struct rtattr *attr) | |
1438 | { | |
1439 | bool if_printed = false; | |
1440 | struct rtattr *i; | |
1441 | int rem; | |
1442 | ||
1443 | rem = RTA_PAYLOAD(attr); | |
1444 | for (i = RTA_DATA(attr); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) { | |
1445 | if (preferred_family != AF_UNSPEC && | |
1446 | i->rta_type != preferred_family) | |
1447 | continue; | |
1448 | ||
1449 | if (!if_printed) { | |
1450 | fprintf(fp, "%u: %s\n", ifindex, | |
1451 | ll_index_to_name(ifindex)); | |
1452 | if_printed = true; | |
1453 | } | |
1454 | ||
1455 | switch (i->rta_type) { | |
1456 | case AF_MPLS: | |
1457 | print_mpls_stats(fp, i); | |
1458 | break; | |
1459 | default: | |
1460 | fprintf(fp, " unknown af(%d)\n", i->rta_type); | |
1461 | break; | |
1462 | } | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | struct af_stats_ctx { | |
1467 | FILE *fp; | |
1468 | int ifindex; | |
1469 | }; | |
1470 | ||
1471 | static int print_af_stats(const struct sockaddr_nl *who, | |
1472 | struct nlmsghdr *n, | |
1473 | void *arg) | |
1474 | { | |
1475 | struct if_stats_msg *ifsm = NLMSG_DATA(n); | |
1476 | struct rtattr *tb[IFLA_STATS_MAX+1]; | |
1477 | int len = n->nlmsg_len; | |
1478 | struct af_stats_ctx *ctx = arg; | |
1479 | FILE *fp = ctx->fp; | |
1480 | ||
1481 | len -= NLMSG_LENGTH(sizeof(*ifsm)); | |
1482 | if (len < 0) { | |
1483 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
1484 | return -1; | |
1485 | } | |
1486 | ||
1487 | if (ctx->ifindex && ifsm->ifindex != ctx->ifindex) | |
1488 | return 0; | |
1489 | ||
1490 | parse_rtattr(tb, IFLA_STATS_MAX, IFLA_STATS_RTA(ifsm), len); | |
1491 | ||
1492 | if (tb[IFLA_STATS_AF_SPEC]) | |
1493 | print_af_stats_attr(fp, ifsm->ifindex, tb[IFLA_STATS_AF_SPEC]); | |
1494 | ||
1495 | fflush(fp); | |
1496 | return 0; | |
1497 | } | |
1498 | ||
1499 | static int iplink_afstats(int argc, char **argv) | |
1500 | { | |
1501 | __u32 filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_AF_SPEC); | |
1502 | const char *filter_dev = NULL; | |
1503 | struct af_stats_ctx ctx = { | |
1504 | .fp = stdout, | |
1505 | .ifindex = 0, | |
1506 | }; | |
1507 | ||
1508 | while (argc > 0) { | |
1509 | if (strcmp(*argv, "dev") == 0) { | |
1510 | NEXT_ARG(); | |
1511 | if (filter_dev) | |
1512 | duparg2("dev", *argv); | |
1513 | filter_dev = *argv; | |
1514 | } else if (matches(*argv, "help") == 0) { | |
1515 | usage(); | |
1516 | } else { | |
1517 | fprintf(stderr, | |
1518 | "Command \"%s\" is unknown, try \"ip link help\".\n", | |
1519 | *argv); | |
1520 | exit(-1); | |
1521 | } | |
1522 | ||
1523 | argv++; argc--; | |
1524 | } | |
1525 | ||
1526 | if (filter_dev) { | |
1527 | ctx.ifindex = ll_name_to_index(filter_dev); | |
1528 | if (ctx.ifindex <= 0) { | |
1529 | fprintf(stderr, | |
1530 | "Device \"%s\" does not exist.\n", | |
1531 | filter_dev); | |
1532 | return -1; | |
1533 | } | |
1534 | } | |
1535 | ||
1536 | if (rtnl_wilddump_stats_req_filter(&rth, AF_UNSPEC, | |
1537 | RTM_GETSTATS, | |
1538 | filt_mask) < 0) { | |
1539 | perror("Cannont send dump request"); | |
1540 | return 1; | |
1541 | } | |
1542 | ||
1543 | if (rtnl_dump_filter(&rth, print_af_stats, &ctx) < 0) { | |
1544 | fprintf(stderr, "Dump terminated\n"); | |
1545 | return 1; | |
1546 | } | |
1547 | ||
1548 | return 0; | |
1549 | } | |
1550 | ||
561e650e | 1551 | static void do_help(int argc, char **argv) |
1552 | { | |
1553 | struct link_util *lu = NULL; | |
1554 | ||
1555 | if (argc <= 0) { | |
1556 | usage(); | |
6c5ffb9a | 1557 | return; |
561e650e | 1558 | } |
1559 | ||
1560 | lu = get_link_kind(*argv); | |
561e650e | 1561 | if (lu && lu->print_help) |
1562 | lu->print_help(lu, argc-1, argv+1, stdout); | |
1563 | else | |
1564 | usage(); | |
1565 | } | |
1566 | ||
aba5acdf SH |
1567 | int do_iplink(int argc, char **argv) |
1568 | { | |
6843d36e ZS |
1569 | if (argc < 1) |
1570 | return ipaddr_list_link(0, NULL); | |
1571 | ||
1572 | if (iplink_have_newlink()) { | |
1573 | if (matches(*argv, "add") == 0) | |
1574 | return iplink_modify(RTM_NEWLINK, | |
6c5ffb9a SH |
1575 | NLM_F_CREATE|NLM_F_EXCL, |
1576 | argc-1, argv+1); | |
6843d36e | 1577 | if (matches(*argv, "set") == 0 || |
6c5ffb9a | 1578 | matches(*argv, "change") == 0) |
6843d36e | 1579 | return iplink_modify(RTM_NEWLINK, 0, |
6c5ffb9a | 1580 | argc-1, argv+1); |
6843d36e ZS |
1581 | if (matches(*argv, "replace") == 0) |
1582 | return iplink_modify(RTM_NEWLINK, | |
6c5ffb9a SH |
1583 | NLM_F_CREATE|NLM_F_REPLACE, |
1584 | argc-1, argv+1); | |
6843d36e ZS |
1585 | if (matches(*argv, "delete") == 0) |
1586 | return iplink_modify(RTM_DELLINK, 0, | |
6c5ffb9a | 1587 | argc-1, argv+1); |
6843d36e | 1588 | } else { |
1d934839 | 1589 | #if IPLINK_IOCTL_COMPAT |
6843d36e ZS |
1590 | if (matches(*argv, "set") == 0) |
1591 | return do_set(argc-1, argv+1); | |
1d934839 | 1592 | #endif |
6843d36e | 1593 | } |
6c5ffb9a | 1594 | |
6843d36e | 1595 | if (matches(*argv, "show") == 0 || |
6c5ffb9a SH |
1596 | matches(*argv, "lst") == 0 || |
1597 | matches(*argv, "list") == 0) | |
6843d36e | 1598 | return ipaddr_list_link(argc-1, argv+1); |
6c5ffb9a | 1599 | |
94f1a22a NA |
1600 | if (matches(*argv, "xstats") == 0) |
1601 | return iplink_ifla_xstats(argc-1, argv+1); | |
1602 | ||
837552b4 RS |
1603 | if (matches(*argv, "afstats") == 0) { |
1604 | iplink_afstats(argc-1, argv+1); | |
1605 | return 0; | |
1606 | } | |
1607 | ||
6843d36e ZS |
1608 | if (matches(*argv, "help") == 0) { |
1609 | do_help(argc-1, argv+1); | |
1610 | return 0; | |
1611 | } | |
aba5acdf | 1612 | |
6843d36e | 1613 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip link help\".\n", |
6c5ffb9a | 1614 | *argv); |
aba5acdf SH |
1615 | exit(-1); |
1616 | } |